P

Inventor

SAU MADHUSUDAN

IN53 patents
⚠️ This page may combine multiple inventors who share the name “SAU MADHUSUDAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

INDIAN OIL CORP LTD

49 patents
US11421162B2Aug 23, 2022

Process for co-conversion of waste plastics and hydrocarbon feedstock

INDIAN OIL CORP LTD37 citations92
US9644155B2May 9, 2017

Integrated process for production of high octane gasoline, high aromatic naphtha and high cetane diesel from high aromatic middle distillate range streams

INDIAN OIL CORP LTD7 citations79
US11421159B2Aug 23, 2022

Process and apparatus for co-conversion of waste plastics in Delayed Coker unit

INDIAN OIL CORP LTD4 citations71
US10900507B2Jan 26, 2021

Distribution of a multi-phase fluid mixture

INDIAN OIL CORP LTD3 citations71
US10201810B2Feb 12, 2019

Vacuum resid upgradation and graphite production

INDIAN OIL CORP LTD2 citations71
US11149207B2Oct 19, 2021

Delayed coking furnace for heating coker feedstock

INDIAN OIL CORP LTD0 citations61
US11642656B2May 9, 2023

Catalyst composition for oxidative dehydrogenation of alkane

INDIAN OIL CORP LTD0 citations60
US11548841B2Jan 10, 2023

Production of linear alpha olefins

INDIAN OIL CORP LTD0 citations60
US11465132B2Oct 11, 2022

Fluid catalytic cracking additive composition for enhancing gasoline octane barrel and a process of preparation thereof

INDIAN OIL CORP LTD0 citations60
US11840672B2Dec 12, 2023

Integrated process for converting crude oil to high value petrochemicals

INDIAN OIL CORP LTD1 citations59
US11453600B2Sep 27, 2022

Method of making hydrocarbon soluble metal compositions

INDIAN OIL CORP LTD0 citations59
US11859132B2Jan 2, 2024

Process and an apparatus for conversion of waste plastic pyrolysis oil into valuable products

INDIAN OIL CORP LTD1 citations58
US11591530B2Feb 28, 2023

Additive for preventing fouling of thermal cracker furnace

INDIAN OIL CORP LTD0 citations58
US11548839B2Jan 10, 2023

Integrated oxidative alkane dehydrogenation and hydrogen generation process

INDIAN OIL CORP LTD1 citations58
US10822557B2Nov 3, 2020

Process for production of petrochemicals from cracked streams

INDIAN OIL CORP LTD1 citations57
US12454498B2Oct 28, 2025

Process and catalyst system for conversion of C6 aromatics to higher aromatics

INDIAN OIL CORP LTD0 citations56
US11732200B2Aug 22, 2023

Process for enhancement of RON of FCC gasoline with simultaneous reduction in benzene

INDIAN OIL CORP LTD0 citations54
US10760014B2Sep 1, 2020

Catalyst and process for conversion of vacuum resid to middle distillates

INDIAN OIL CORP LTD1 citations54
US11643607B2May 9, 2023

Process for production of graphite coke from an admixture of coal and petroleum based hydrocarbons

INDIAN OIL CORP LTD0 citations51
US11345862B2May 31, 2022

Apparatus and a method for washing of hydrocarbon product vapor

INDIAN OIL CORP LTD0 citations51
US11168260B2Nov 9, 2021

Process for production of superior quality coke

INDIAN OIL CORP LTD0 citations51
US10941346B2Mar 9, 2021

Process for conversion of fuel grade coke to anode grade coke

INDIAN OIL CORP LTD0 citations51
US10934494B2Mar 2, 2021

Process for production of anisotropic coke

INDIAN OIL CORP LTD0 citations51
US12480056B2Nov 25, 2025

Process for production of Needle coke and aromatics

INDIAN OIL CORP LTD0 citations50
US11891356B2Feb 6, 2024

Production of high yields of light olefins from heavy hydrocarbons

INDIAN OIL CORP LTD0 citations50
US11578277B2Feb 14, 2023

Simultaneous processing of catalytic and thermally cracked middle distillate for petrochemical feedstock

INDIAN OIL CORP LTD0 citations50
US11141707B2Oct 12, 2021

Inlet diffuser for fixed-bed reactors

INDIAN OIL CORP LTD0 citations50
US11001771B2May 11, 2021

Process for the production of petrochemical feedstock and high octane gasoline from middle distillates

INDIAN OIL CORP LTD0 citations50
US10787613B2Sep 29, 2020

Catalyst additive composition for reduction of sulfur in gasoline

INDIAN OIL CORP LTD0 citations50
US11999914B2Jun 4, 2024

Process and a system for production of multiple grade de-aromatized solvents from hydrocarbon streams

INDIAN OIL CORP LTD0 citations49
US11952543B2Apr 9, 2024

Process for producing hydrogen and light olefins from resid fluid catalytic cracking

INDIAN OIL CORP LTD0 citations49
US11866658B2Jan 9, 2024

Product of low benzene content de-aromatized distillates for specialty applications

INDIAN OIL CORP LTD0 citations49
US11661556B2May 30, 2023

Pre-treatment process for conversion of residual oils in a Delayed Coker Unit

INDIAN OIL CORP LTD0 citations49
US11649200B2May 16, 2023

Process and apparatus for production and separation of alcohols and oligomerization of hydrocarbon feedstock

INDIAN OIL CORP LTD0 citations49
US10604708B2Mar 31, 2020

Process intensification in hydroprocessing

INDIAN OIL CORP LTD0 citations49
US10017703B2Jul 10, 2018

Process intensification in hydroprocessing

INDIAN OIL CORP LTD0 citations49
US11788013B2Oct 17, 2023

Process for production of needle coke

INDIAN OIL CORP LTD0 citations48
US11612884B2Mar 28, 2023

Process for preparing a hydro-treating catalyst composition for producing ultra-low sulfur diesel

INDIAN OIL CORP LTD0 citations48
US11565242B2Jan 31, 2023

Method for preparing catalyst for selective hydrogenation of diolefins

INDIAN OIL CORP LTD0 citations48
US12398330B2Aug 26, 2025

Process for isomerization of C5—C7 hydrocarbons in light naphtha range

INDIAN OIL CORP LTD0 citations47
US11873276B2Jan 16, 2024

Fluidized bed dehydrogenation process for light olefin production

INDIAN OIL CORP LTD0 citations47
US10443002B2Oct 15, 2019

Process for quality enhancement in hydrocarbon stream

INDIAN OIL CORP LTD0 citations47
US11345866B2May 31, 2022

Process for production of MARPOL compliant bunker fuel from petroleum residues

INDIAN OIL CORP LTD0 citations46
US11731094B2Aug 22, 2023

Process for multistage hydroprocessing in a single reactor

INDIAN OIL CORP LTD0 citations45
US11274257B2Mar 15, 2022

Process for selective production of light olefins and aromatic from cracked light naphtha

INDIAN OIL CORP LTD0 citations45
US11084930B2Aug 10, 2021

Co-solubilization process for preparing modified bitumen and product obtained thereof

INDIAN OIL CORP LTD0 citations44
US11739277B2Aug 29, 2023

Process for removal of sulfur and other impurities from olefinic liquefied petroleum gas

INDIAN OIL CORP LTD0 citations43
US10808177B2Oct 20, 2020

Delayed coking process with pre-cracking reactor

INDIAN OIL CORP LTD0 citations40
US10655076B2May 19, 2020

Assorted co-staging and counter staging in hydrotreating

INDIAN OIL CORP LTD0 citations39

VIRIDIS CHEMICALS PRIVATE LTD

1 patent

Showing the top 50 of 53 patents by PatentIndex Score.